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How much gold dust could be obtained by "sweating" a bag of newly struck US gold coins?

Any idea?
All glory is fleeting.
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Any idea?
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Well, a lot would depend on the denomination and the number of coins in the bag, I'd say more than a gram, only because the sharp edges of the newly minted coins would yield a better haul. Now leather vs canvas...burlap bag?
"Keep your malarkey filter in good operating order" -Walter Breen
I'm going to be kicking myself because I can't find the answer right now, but I have a reference where I believe this was done with silver coins to determine how much might be obtained.
In honor of the memory of Cpl. Michael E. Thompson
No idea. My mind doesn't think that way. Is this why they call 'em sweat shops ?
It's about the thread. Hanging by a thread... or a rope; for stealing.
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Probably right up there with the "How many licks does it take to get to the Tootsie Roll center of a Tootsie Pop?".
http://www.tootsie.com/howmanylick-experiments
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Gotta be easier than digging ..... talk about a sweat shop.
Not enough to make it worth while.
BHNC #203
Not sure about bags but I seem to remember reading about tearing up the wooden floors of vaults used for gold bar storage and burning them to recover the gold left behind.
it's crackers to slip a rozzer the dropsy in snide
We all know the answer to that question... 3!
Do you mean "sweating" or abrading by shaking the bag?
I would think the atmospheric conditions would be a big factor. When I move my yard tomorrow I will sweat my clothes here along the gulf coast as I drink lots of water too cool off. When I mow in the cooler months my clothes weigh much less when they hit the washer.
I suspect you are referring to tossing the coins around and creating bag marks that show when a small part of the coin is knocked loose. If\ have also seen rim filed gold coins as the owner scraped a bit of the side and then spent the coin.
Depends on how many shakes of the bag... or how long it is continuously rotated... as well as the weight of the coins and quantity and size of the bag. Cheers, RickO
I'd say pretty much zero. Gold is ductile and not likely to "flake off". Too soft even with the copper added.
bob
I remember getting a bag ( $1000 ) of Half Dollars , in the spring of 1964, from the bank to look for coins that I needed. When I opened the bag it was a bag of 1964-D Kennedys. I had to roll the coins to take them back to the bank. When I was finished my hands were covered with tiny flakes of silver.